Conservation area

There is a problem

reference: 167
name: Railway Road, Leigh
designation-date: 1989-12-20
document-url: https://www.wigan.gov.uk/Docs/PDF/Resident/Planning-and-Building-Control/Conservation-areas/Railway-Road.pdf
documentation-url: https://www.wigan.gov.uk/Resident/Planning-and-Building-Control/Planning/Conservation-trees-and-hedges/Conservation-areas.aspx
geometry: MULTIPOLYGON (((-2.524364 53.497762,-2.524400 53.497707,-2.524516 53.497733,-2.524649 53.497525,-2.524694 53.497495,-2.524377 53.497424,-2.524664 53.496978,-2.523899 53.496820,-2.523627 53.497240,-2.523616 53.497242,-2.522391 53.496966,-2.522239 53.496918,-2.521660 53.496778,-2.521503 53.497014,-2.521453 53.497054,-2.521429 53.497107,-2.521595 53.497134,-2.521559 53.497150,-2.521343 53.497293,-2.521365 53.497306,-2.523639 53.497836,-2.523808 53.497882,-2.524221 53.497969,-2.524255 53.497960,-2.524364 53.497781,-2.524364 53.497762)))
point: POINT (-2.523191 53.497338)
notes: Extra documents are available. Best Map is shown on page 5 of the appraisal document.
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1989-12-20
end-date

Your dataset is missing the entry-date column.

The Conservation area guidance explains how to fix the issue:

The date the record was last updated.

If the entity has never been updated, enter the same date as start-date.

Write in YYYY-MM-DD format.

Example:

2022-12-20

With dates, some data is better than no data, so: